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%%%---------------------------------------------------------------------- |
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%%% File : mod_sic.erl |
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%%% Author : Karim Gemayel <karim.gemayel@process-one.net> |
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%%% Purpose : XEP-0279 Server IP Check |
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%%% Created : 6 Mar 2010 by Karim Gemayel <karim.gemayel@process-one.net> |
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%%% |
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%%% |
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%%% ejabberd, Copyright (C) 2002-2011 ProcessOne |
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%%% |
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%%% This program is free software; you can redistribute it and/or |
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%%% modify it under the terms of the GNU General Public License as |
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%%% published by the Free Software Foundation; either version 2 of the |
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%%% License, or (at your option) any later version. |
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%%% |
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%%% This program is distributed in the hope that it will be useful, |
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of |
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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%%% General Public License for more details. |
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%%% |
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%%% You should have received a copy of the GNU General Public License |
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%%% along with this program; if not, write to the Free Software |
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%%% Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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%%% |
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%%%---------------------------------------------------------------------- |
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-module(mod_sic). |
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-author('karim.gemayel@process-one.net'). |
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-xep([{xep, 279}, {version, "0.2"}]). |
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-behaviour(gen_mod). |
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-behaviour(mongoose_module_metrics). |
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%% gen_mod callbacks |
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-export([start/2, |
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stop/1, |
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config_spec/0, |
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supported_features/0 |
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]). |
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%% IQ and hook handlers |
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-export([process_local_iq/5, |
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process_sm_iq/5 |
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]). |
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-ignore_xref([process_local_iq/5, process_sm_iq/5]). |
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-include("jlib.hrl"). |
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-include("mongoose.hrl"). |
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-include("mongoose_config_spec.hrl"). |
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-define(NS_SIC, <<"urn:xmpp:sic:1">>). |
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-spec start(mongooseim:host_type(), gen_mod:module_opts()) -> ok. |
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start(HostType, #{iqdisc := IQDisc}) -> |
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[gen_iq_handler:add_iq_handler_for_domain(HostType, ?NS_SIC, Component, Fn, #{}, IQDisc) || |
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{Component, Fn} <- iq_handlers()], |
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ok. |
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|
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-spec stop(mongooseim:host_type()) -> ok. |
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stop(HostType) -> |
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[gen_iq_handler:remove_iq_handler_for_domain(HostType, ?NS_LAST, Component) || |
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{Component, _Fn} <- iq_handlers()], |
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ok. |
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iq_handlers() -> |
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822 |
[{ejabberd_local, fun ?MODULE:process_local_iq/5}, |
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{ejabberd_sm, fun ?MODULE:process_sm_iq/5}]. |
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%%% |
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%%% config_spec |
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%%% |
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-spec config_spec() -> mongoose_config_spec:config_section(). |
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config_spec() -> |
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#section{items = #{<<"iqdisc">> => mongoose_config_spec:iqdisc()}, |
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defaults = #{<<"iqdisc">> => one_queue}}. |
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-spec supported_features() -> [atom()]. |
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supported_features() -> [dynamic_domains]. |
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%%% |
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%%% IQ handlers |
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%%% |
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-spec process_local_iq(mongoose_acc:t(), jid:jid(), jid:jid(), jlib:iq(), map()) |
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-> {mongoose_acc:t(), jlib:iq()}. |
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process_local_iq(Acc, #jid{} = JID, _To, |
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#iq{type = 'get', sub_el = _SubEl} = IQ, _Extra) -> |
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:-( |
{Acc, get_ip(JID, IQ)}; |
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process_local_iq(Acc, _From, _To, #iq{type = 'set', sub_el = SubEl} = IQ, _Extra) -> |
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:-( |
{Acc, IQ#iq{type = error, sub_el = [SubEl, mongoose_xmpp_errors:not_allowed()]}}. |
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-spec process_sm_iq(mongoose_acc:t(), jid:jid(), jid:jid(), jlib:iq(), map()) |
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-> {mongoose_acc:t(), jlib:iq()}. |
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process_sm_iq(Acc, |
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#jid{luser = LUser, lserver = LServer} = JID, |
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#jid{luser = LUser, lserver = LServer}, |
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#iq{type = 'get', sub_el = _SubEl} = IQ, _Extra) -> |
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{Acc, get_ip(JID, IQ)}; |
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process_sm_iq(Acc, _From, _To, #iq{type = 'get', sub_el = SubEl} = IQ, _Extra) -> |
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{Acc, IQ#iq{type = error, sub_el = [SubEl, mongoose_xmpp_errors:forbidden()]}}; |
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process_sm_iq(Acc, _From, _To, #iq{type = 'set', sub_el = SubEl} = IQ, _Extra) -> |
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:-( |
{Acc, IQ#iq{type = error, sub_el = [SubEl, mongoose_xmpp_errors:not_allowed()]}}. |
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get_ip(JID, #iq{sub_el = #xmlel{} = SubEl} = IQ) -> |
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case ejabberd_sm:get_session_ip(JID) of |
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{IP, Port} when is_tuple(IP) -> |
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IQ#iq{ |
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type = 'result', |
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sub_el = [ |
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SubEl#xmlel{ |
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children = [ |
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#xmlel{name = <<"ip">>, |
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children = [#xmlcdata{content = list_to_binary(inet_parse:ntoa(IP))}]}, |
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#xmlel{name = <<"port">>, |
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children = [#xmlcdata{content = integer_to_binary(Port)}]} |
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] |
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}]}; |
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_ -> |
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:-( |
IQ#iq{ |
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type = 'error', |
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sub_el = [SubEl, mongoose_xmpp_errors:internal_server_error()] |
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} |
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end. |